Blar i Institutt for materialteknologi på tittel
Viser treff 1394-1413 av 2508
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Measuring ferroelectric order parameters at domain walls and vortices in hexagonal manganites with atomic resolution STEM
(Journal article; Peer reviewed, 2017) -
Measuring In Situ Interfacial Contact Resistance in a Proton Exchange Membrane Fuel Cell
(Journal article; Peer reviewed, 2019)Interfacial contact resistance (ICR) is one of the remaining hurdles for successful implementation of stainless steel bipolar plates in PEM fuel cells. We have developed a reliable method, using thin gold wires, to measure ... -
Measuring the thermal conductivity of membrane and porous transport layer in proton and anion exchange membrane water electrolyzers for temperature distribution modeling
(Journal article; Peer reviewed, 2019)Water electrolyzers that use a membrane electrolyte between the electrodes are a promising technology towards mass production of renewable hydrogen. High power setups produce a lot of heat which has to be transported through ... -
Mechanical and tribological properties of injection molded zirconia-alumina for orthopedic implants
(Journal article, 2022)Ceramics have gained great attention for hip and knee arthroplasty surgical procedures due to their ability to guarantee long-life performance in patients and are considered an alternative to existing metal systems. In ... -
Mechanical Properties after Welding and Post Weld Heat Treatment of a 6082 Aluminium Alloy
(Master thesis, 2018)Lightweight materials are currently gaining popularity and are sought for by the construction and transportation industries. The heat-treatable 6xxxx series aluminium alloys are popular in lightweight products by combining ... -
Mechanical Properties and Corrosion Behaviour of Extruded and Welded AA6082
(Master thesis, 2014)Welding and corrosion will play a key role in the further increased use of aluminium alloys in industrial applications. This is especially true as the oil and gas industry is moving into the arctic region in search for new ... -
Mechanical Properties and Phase Stability of Oxygen Permeable Membranes La0.5Sr0.5Fe1-xCoxO3-δ
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:51, Doctoral thesis, 2005)Ceramic membranes made from mixed oxygen-ionic and electronic conducting perovskite oxides can selectively separate oxygen from air at elevated temperatures. These membranes have several potential applications that require ... -
The Mechanical Properties During Thermomechanical Treatment of an Al-Cu-Mg-Si Alloy Intended for Zippers.
(Master thesis, 2018)The objective of this project has been to find a suitable thermomechanical treatment for an Al- Cu-Mg-Si alloy. The aluminium alloy is to be used in zippers, produced by YKK, for jeans. The composition of the alloy is 1,25 ... -
Mechanical properties of bainitic and martensitic high strength steels in the hardened and untempered state
(Master thesis, 2018)The objective of the research project named RoHard, is to increase the understanding of the interaction between the quality of the incoming materials, the hardening process and the resulting mechanical properties of the ... -
Mechanical Properties of Gas Metal Arc and Friction Stir AA6082-T6 Weldments
(Master thesis, 2013)The general purpose of the presents report is to determine the mechanical properties of AA6082-T6 subsequent to gas metal arc welding (GMAW) and friction stir welding (FSW). Hardness testing have been carried out for the ... -
Mechanical properties of lightweight aggregates
(Journal article; Peer reviewed, 2013)Lightweight aggregates (LWAs) were successfully produced both in a pilot-scale rotary kiln and in a laboratory chamber furnace. The mechanical properties of LWA were investigated in detail applying the European standard ... -
Mechanical stability of piezoelectric properties in ferroelectric perovskites
(Journal article; Peer reviewed, 2015)The influence of uniaxial compressive stress on the small signal direct piezoelectric coefficient of hard and soft Pb(Zr,Ti)O3 at the morphotropic phase boundary was investigated as a function of temperature from 25 °C to ... -
Mechanism behind the Inhibiting Effect of CO2 on the Oxidation of Al−Mg Alloys
(Journal article; Peer reviewed, 2018)Al–Mg alloys are known to suffer from problematic oxidation during melting, refining, and casting. The use of a CO2/air cover gas is known to minimize this oxidation; however, a mechanistic understanding of the beneficial ... -
Mechanism of the potential-triggered surface transformation of germanium in acidic medium studied by ATR-IR spectroscopy
(Journal article; Peer reviewed, 2016)In acidic solution, germanium surfaces undergo a transformation to hydrogen-terminated surfaces at sufficiently negative electrode potentials. Herein, we used in situ and operando attenuated total reflection infrared ... -
Mechanisms and Kinetics of Boron Removal from Silicon by Humidified Hydrogen
(Journal article; Peer reviewed, 2016)The removal of boron from silicon by top blowing of humidified hydrogen has been studied in the present work through experimental work, thermodynamic calculations, computational fluid dynamic modeling, and quantum chemistry ... -
Mechanisms and kinetics of liquid silicon oxidation
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:145, Doctoral thesis, 2013)The formation of silica fume when liquid metal is in contact with air during refining of metallurgical grade silicon leads to a direct loss of silicon. Apart from this yield loss the associated fume may be harmful to the ... -
Mechanisms for texture in BaTiO3 thin films from aqueous chemical solution deposition
(Journal article; Peer reviewed, 2020)The prototype piezoelectric material BaTiO3 is widely used in e.g., capacitators. Chemical solution deposition (CSD) of BaTiO3 films is a simple and environmentally friendly processing route, but insight in the crystallization ... -
Mechanisms of graphite crucible degradation in contact with Si–Al melts at high temperatures and vacuum conditions
(Journal article; Peer reviewed, 2019)Graphite is a common refractory material for processing high purity silicon; however, it cannot be applied for holding Si–Al melts at high temperatures due to significant melt infiltration into the crucible. This research ... -
Mechanisms of inhibitor action - passivation and self-healing
(Chapter, 2020)In this chapter, we will briefly review the systematics of corrosion inhibitors and the classical mechanisms of action of corrosion inhibitors, the latter with an emphasis on inhibitors interacting with the material surface. ... -
Mechanistic investigation of the pretreatment of AA6060 with varying Ni and Cu content
(Master thesis, 2022)Aluminium er et allsidig materiale på grunn av metallets høye styrke-til-vekt-forhold, duktilitet og gode korrosjonsbestandighet. Økt bruk av resirkulert aluminium krever at det resirkulerte produktet oppnår de samme ...